A report on Accumulator (computing) and Intel 8051

Walther WSR-16 mechanical calculator. The row of digit-wheels in the carriage (at the front), is the Accumulator.

Intel P8051 microcontroller

Front panel of an IBM 701 computer with lights displaying the accumulator and other registers

i8051 microarchitecture

Intel 8031 microcontrollers

Intel D87C51 microcontroller

Silicon Storage Technology 89V54RD2

Philips PCB80C31

Signetics SCN8031

Atmel AT89C2051

Infineon SAB-C515

Philips S87C654

Siemens SAB-C501

STC Micro STC89C52

8-bit arithmetic logic unit (ALU) and accumulator, 8-bit registers (one 16-bit register with special move instructions), 8-bit data bus and 2×16-bit address buses, program counter, data pointer, and related 8/11/16-bit operations; hence it is mainly an 8-bit microcontroller

- Intel 8051

Many 8-bit microcontrollers that are still popular as of 2014, such as the PICmicro and 8051, are accumulator-based machines.

- Accumulator (computing)

Walther WSR-16 mechanical calculator. The row of digit-wheels in the carriage (at the front), is the Accumulator.

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